Duke John D
Harvard Bioscience, Inc. · Chief Executive Officer
Duke John D is listed in public filings as director, officer: Chief Executive Officer. This Duke John D insider trading page organizes Form 4 disclosures, reported purchases and sales, transaction dates, share amounts, related issuers, and historical insider activity so readers can review the person's public trading record in one place. Companies and tickers connected to this insider trading profile include Harvard Bioscience, Inc. (HBIO). Investors use Duke John D's insider trading disclosures to study buying and selling patterns, position changes, company-specific activity, and the source evidence behind each reported transaction.
Latest Actions
| Company | Holding Value | Last Transaction | Amount | Transaction Price | Current Price |
|---|---|---|---|---|---|
| --180k shares | Grant / ExerciseMar 20, 2026 | Disclosure amount unavailable75k shares | -- | -- |
Insider Trades History
| Company | Holding Value | Last Transaction | Amount | Transaction Price | Current Price |
|---|---|---|---|---|---|
| $526k105k shares | BuyMar 16, 2026 | $25.1K5k shares | $5.01 | -- | |
| --500k shares | Grant / ExerciseAug 8, 2025 | Disclosure amount unavailable500k shares | -- | -- |